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arXiv:2205.08401 [math.AT]AbstractReferencesReviewsResources

Multifunctorial $K$-Theory is an Equivalence of Homotopy Theories

Niles Johnson, Donald Yau

Published 2022-05-17Version 1

We show that each of the three $K$-theory multifunctors from small permutative categories to $\mathcal{G}_*$-categories, $\mathcal{G}_*$-simplicial sets, and connective spectra, is an equivalence of homotopy theories. For each of these $K$-theory multifunctors, we describe an explicit homotopy inverse functor. As a separate application of our general results about pointed diagram categories, we observe that the right-induced homotopy theory of Bohmann-Osorno $\mathcal{E}_*$-categories is equivalent to the homotopy theory of pointed simplicial categories.

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